FAN4822 Datasheet PDF

Features• Average current sensing, continuous boost, leading edge PFC for low total harmonic distortion and near unity power factor• Built-in ZVS switch control with fast response for high efficiency at high power levels• Average line voltage compensation with brownout control • Current fed gain modulator improves noise immunity and provides universal input operation• Overvoltage comparator eliminates output “runaway” due to load removal• UVLO, current limit, and soft-start• Precision 1.3% reference